US Bridges

FAS 541(TR 32) over Willow Branch Creek

Fair

Piatt County, Illinois · S of Allerton Park · Structure no. 074324700000000

Built
1989
36 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
275
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 541(TR 32) over Willow Branch Creek is a prestressed concrete box beam or girders - multiple carrying FAS 541(TR 32) over Willow Branch Creek in Piatt County, Illinois. It was built in 1989, so it is 36 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 275 vehicles a day, roughly 2% of them trucks, projected to reach 278 by 2046. The structure is 100 ft (30.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 541(TR 32)
CrossesWillow Branch Creek
LocationS of Allerton Park
RouteCounty Highway 0
Coordinates39.9822, -88.65051
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length100 ft (30.4 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2020)
Projected traffic278 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 541(TR 32) over Willow Branch Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAS 541(TR 32) over Willow Branch Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does FAS 541(TR 32) over Willow Branch Creek carry?

About 275 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is FAS 541(TR 32) over Willow Branch Creek?

The structure is 100 ft (30.4 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns FAS 541(TR 32) over Willow Branch Creek?

It is owned by the Town or Township Highway Agency.